128268972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:792

約数の個数: 108

約数和(自身を含む): 363701520

約数和(自身を除く): 235432548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 169, 174, 234, 261, 338, 348, 377, 468, 507, 522, 676, 727, 754, 1014, 1044, 1131, 1454, 1508, 1521, 2028, 2181, 2262, 2908, 3042, 3393, 4362, 4524, 4901, 6084, 6543, 6786, 8724, 9451, 9802, 13086, 13572, 14703, 18902, 19604, 21083, 26172, 28353, 29406, 37804, 42166, 44109, 56706, 58812, 63249, 84332, 85059, 88218, 113412, 122863, 126498, 170118, 176436, 189747, 245726, 252996, 274079, 340236, 368589, 379494, 491452, 548158, 737178, 758988, 822237, 1096316, 1105767, 1474356, 1644474, 2211534, 2466711, 3288948, 3563027, 4423068, 4933422, 7126054, 9866844, 10689081, 14252108, 21378162, 32067243, 42756324, 64134486, 128268972]

約数ペア:

[(1, 128268972), (2, 64134486), (3, 42756324), (4, 32067243), (6, 21378162), (9, 14252108), (12, 10689081), (13, 9866844), (18, 7126054), (26, 4933422), (29, 4423068), (36, 3563027), (39, 3288948), (52, 2466711), (58, 2211534), (78, 1644474), (87, 1474356), (116, 1105767), (117, 1096316), (156, 822237), (169, 758988), (174, 737178), (234, 548158), (261, 491452), (338, 379494), (348, 368589), (377, 340236), (468, 274079), (507, 252996), (522, 245726), (676, 189747), (727, 176436), (754, 170118), (1014, 126498), (1044, 122863), (1131, 113412), (1454, 88218), (1508, 85059), (1521, 84332), (2028, 63249), (2181, 58812), (2262, 56706), (2908, 44109), (3042, 42166), (3393, 37804), (4362, 29406), (4524, 28353), (4901, 26172), (6084, 21083), (6543, 19604), (6786, 18902), (8724, 14703), (9451, 13572), (9802, 13086)]