201780972

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 518721840

約数和(自身を除く): 316940868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 179, 181, 346, 358, 362, 519, 537, 543, 692, 716, 724, 1038, 1074, 1086, 1557, 1611, 1629, 2076, 2148, 2172, 3114, 3222, 3258, 6228, 6444, 6516, 30967, 31313, 32399, 61934, 62626, 64798, 92901, 93939, 97197, 123868, 125252, 129596, 185802, 187878, 194394, 278703, 281817, 291591, 371604, 375756, 388788, 557406, 563634, 583182, 1114812, 1127268, 1166364, 5605027, 11210054, 16815081, 22420108, 33630162, 50445243, 67260324, 100890486, 201780972]

約数ペア:

[(1, 201780972), (2, 100890486), (3, 67260324), (4, 50445243), (6, 33630162), (9, 22420108), (12, 16815081), (18, 11210054), (36, 5605027), (173, 1166364), (179, 1127268), (181, 1114812), (346, 583182), (358, 563634), (362, 557406), (519, 388788), (537, 375756), (543, 371604), (692, 291591), (716, 281817), (724, 278703), (1038, 194394), (1074, 187878), (1086, 185802), (1557, 129596), (1611, 125252), (1629, 123868), (2076, 97197), (2148, 93939), (2172, 92901), (3114, 64798), (3222, 62626), (3258, 61934), (6228, 32399), (6444, 31313), (6516, 30967)]