81663348

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 213034752

約数和(自身を除く): 131371404

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 73, 78, 101, 142, 146, 156, 202, 213, 219, 284, 292, 303, 404, 426, 438, 606, 852, 876, 923, 949, 1212, 1313, 1846, 1898, 2626, 2769, 2847, 3692, 3796, 3939, 5183, 5252, 5538, 5694, 7171, 7373, 7878, 10366, 11076, 11388, 14342, 14746, 15549, 15756, 20732, 21513, 22119, 28684, 29492, 31098, 43026, 44238, 62196, 67379, 86052, 88476, 93223, 95849, 134758, 186446, 191698, 202137, 269516, 279669, 287547, 372892, 383396, 404274, 523483, 559338, 575094, 808548, 1046966, 1118676, 1150188, 1570449, 2093932, 3140898, 6281796, 6805279, 13610558, 20415837, 27221116, 40831674, 81663348]

約数ペア:

[(1, 81663348), (2, 40831674), (3, 27221116), (4, 20415837), (6, 13610558), (12, 6805279), (13, 6281796), (26, 3140898), (39, 2093932), (52, 1570449), (71, 1150188), (73, 1118676), (78, 1046966), (101, 808548), (142, 575094), (146, 559338), (156, 523483), (202, 404274), (213, 383396), (219, 372892), (284, 287547), (292, 279669), (303, 269516), (404, 202137), (426, 191698), (438, 186446), (606, 134758), (852, 95849), (876, 93223), (923, 88476), (949, 86052), (1212, 67379), (1313, 62196), (1846, 44238), (1898, 43026), (2626, 31098), (2769, 29492), (2847, 28684), (3692, 22119), (3796, 21513), (3939, 20732), (5183, 15756), (5252, 15549), (5538, 14746), (5694, 14342), (7171, 11388), (7373, 11076), (7878, 10366)]