981109948

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12421}}^1$

素因数の和:12483

約数の個数: 72

約数和(自身を含む): 2220457344

約数和(自身を除く): 1239347396

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 2548, 2821, 3038, 5642, 6076, 11284, 12421, 19747, 24842, 39494, 49684, 78988, 86947, 161473, 173894, 322946, 347788, 385051, 608629, 645892, 770102, 1130311, 1217258, 1540204, 2260622, 2434516, 2695357, 4521244, 5005663, 5390714, 7912177, 10011326, 10781428, 15824354, 18867499, 20022652, 31648708, 35039641, 37734998, 70079282, 75469996, 140158564, 245277487, 490554974, 981109948]

約数ペア:

[(1, 981109948), (2, 490554974), (4, 245277487), (7, 140158564), (13, 75469996), (14, 70079282), (26, 37734998), (28, 35039641), (31, 31648708), (49, 20022652), (52, 18867499), (62, 15824354), (91, 10781428), (98, 10011326), (124, 7912177), (182, 5390714), (196, 5005663), (217, 4521244), (364, 2695357), (403, 2434516), (434, 2260622), (637, 1540204), (806, 1217258), (868, 1130311), (1274, 770102), (1519, 645892), (1612, 608629), (2548, 385051), (2821, 347788), (3038, 322946), (5642, 173894), (6076, 161473), (11284, 86947), (12421, 78988), (19747, 49684), (24842, 39494)]