31289384

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1429}}^1$

素因数の和:1482

約数の個数: 64

約数和(自身を含む): 74131200

約数和(自身を除く): 42841816

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 68, 92, 119, 136, 161, 184, 238, 322, 391, 476, 644, 782, 952, 1288, 1429, 1564, 2737, 2858, 3128, 5474, 5716, 10003, 10948, 11432, 20006, 21896, 24293, 32867, 40012, 48586, 65734, 80024, 97172, 131468, 170051, 194344, 230069, 262936, 340102, 460138, 558739, 680204, 920276, 1117478, 1360408, 1840552, 2234956, 3911173, 4469912, 7822346, 15644692, 31289384]

約数ペア:

[(1, 31289384), (2, 15644692), (4, 7822346), (7, 4469912), (8, 3911173), (14, 2234956), (17, 1840552), (23, 1360408), (28, 1117478), (34, 920276), (46, 680204), (56, 558739), (68, 460138), (92, 340102), (119, 262936), (136, 230069), (161, 194344), (184, 170051), (238, 131468), (322, 97172), (391, 80024), (476, 65734), (644, 48586), (782, 40012), (952, 32867), (1288, 24293), (1429, 21896), (1564, 20006), (2737, 11432), (2858, 10948), (3128, 10003), (5474, 5716)]