212981886

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4397}}^1$

素因数の和:4447

約数の個数: 80

約数和(自身を含む): 536415264

約数和(自身を除く): 323433378

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 81, 117, 138, 162, 207, 234, 299, 351, 414, 598, 621, 702, 897, 1053, 1242, 1794, 1863, 2106, 2691, 3726, 4397, 5382, 8073, 8794, 13191, 16146, 24219, 26382, 39573, 48438, 57161, 79146, 101131, 114322, 118719, 171483, 202262, 237438, 303393, 342966, 356157, 514449, 606786, 712314, 910179, 1028898, 1314703, 1543347, 1820358, 2629406, 2730537, 3086694, 3944109, 4630041, 5461074, 7888218, 8191611, 9260082, 11832327, 16383222, 23664654, 35496981, 70993962, 106490943, 212981886]

約数ペア:

[(1, 212981886), (2, 106490943), (3, 70993962), (6, 35496981), (9, 23664654), (13, 16383222), (18, 11832327), (23, 9260082), (26, 8191611), (27, 7888218), (39, 5461074), (46, 4630041), (54, 3944109), (69, 3086694), (78, 2730537), (81, 2629406), (117, 1820358), (138, 1543347), (162, 1314703), (207, 1028898), (234, 910179), (299, 712314), (351, 606786), (414, 514449), (598, 356157), (621, 342966), (702, 303393), (897, 237438), (1053, 202262), (1242, 171483), (1794, 118719), (1863, 114322), (2106, 101131), (2691, 79146), (3726, 57161), (4397, 48438), (5382, 39573), (8073, 26382), (8794, 24219), (13191, 16146)]