271955684

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 673537536

約数和(自身を除く): 401581852

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 49, 52, 62, 77, 91, 98, 124, 143, 154, 182, 196, 217, 286, 308, 313, 341, 364, 403, 434, 539, 572, 626, 637, 682, 806, 868, 1001, 1078, 1252, 1274, 1364, 1519, 1612, 2002, 2156, 2191, 2387, 2548, 2821, 3038, 3443, 4004, 4069, 4382, 4433, 4774, 5642, 6076, 6886, 7007, 8138, 8764, 8866, 9548, 9703, 11284, 13772, 14014, 15337, 16276, 16709, 17732, 19406, 19747, 24101, 28028, 28483, 30674, 31031, 33418, 38812, 39494, 44759, 48202, 56966, 61348, 62062, 66836, 67921, 78988, 89518, 96404, 106733, 113932, 124124, 126139, 135842, 168707, 179036, 199381, 213466, 217217, 252278, 271684, 313313, 337414, 398762, 426932, 434434, 475447, 504556, 626626, 674828, 747131, 797524, 868868, 882973, 950894, 1253252, 1387529, 1494262, 1765946, 1901788, 2193191, 2775058, 2988524, 3531892, 4386382, 5229917, 5550116, 6180811, 8772764, 9712703, 10459834, 12361622, 19425406, 20919668, 24723244, 38850812, 67988921, 135977842, 271955684]

約数ペア:

[(1, 271955684), (2, 135977842), (4, 67988921), (7, 38850812), (11, 24723244), (13, 20919668), (14, 19425406), (22, 12361622), (26, 10459834), (28, 9712703), (31, 8772764), (44, 6180811), (49, 5550116), (52, 5229917), (62, 4386382), (77, 3531892), (91, 2988524), (98, 2775058), (124, 2193191), (143, 1901788), (154, 1765946), (182, 1494262), (196, 1387529), (217, 1253252), (286, 950894), (308, 882973), (313, 868868), (341, 797524), (364, 747131), (403, 674828), (434, 626626), (539, 504556), (572, 475447), (626, 434434), (637, 426932), (682, 398762), (806, 337414), (868, 313313), (1001, 271684), (1078, 252278), (1252, 217217), (1274, 213466), (1364, 199381), (1519, 179036), (1612, 168707), (2002, 135842), (2156, 126139), (2191, 124124), (2387, 113932), (2548, 106733), (2821, 96404), (3038, 89518), (3443, 78988), (4004, 67921), (4069, 66836), (4382, 62062), (4433, 61348), (4774, 56966), (5642, 48202), (6076, 44759), (6886, 39494), (7007, 38812), (8138, 33418), (8764, 31031), (8866, 30674), (9548, 28483), (9703, 28028), (11284, 24101), (13772, 19747), (14014, 19406), (15337, 17732), (16276, 16709)]