331318988

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11821}}^1$

素因数の和:11863

約数の個数: 72

約数和(自身を含む): 792452304

約数和(自身を除く): 461133316

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 11821, 14014, 23642, 28028, 47284, 82747, 130031, 153673, 165494, 260062, 307346, 330988, 520124, 579229, 614692, 910217, 1075711, 1158458, 1690403, 1820434, 2151422, 2316916, 3380806, 3640868, 4302844, 6371519, 6761612, 7529977, 11832821, 12743038, 15059954, 23665642, 25486076, 30119908, 47331284, 82829747, 165659494, 331318988]

約数ペア:

[(1, 331318988), (2, 165659494), (4, 82829747), (7, 47331284), (11, 30119908), (13, 25486076), (14, 23665642), (22, 15059954), (26, 12743038), (28, 11832821), (44, 7529977), (49, 6761612), (52, 6371519), (77, 4302844), (91, 3640868), (98, 3380806), (143, 2316916), (154, 2151422), (182, 1820434), (196, 1690403), (286, 1158458), (308, 1075711), (364, 910217), (539, 614692), (572, 579229), (637, 520124), (1001, 330988), (1078, 307346), (1274, 260062), (2002, 165494), (2156, 153673), (2548, 130031), (4004, 82747), (7007, 47284), (11821, 28028), (14014, 23642)]