81330788

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:370

約数の個数: 96

約数和(自身を含む): 192326400

約数和(自身を除く): 110995612

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 317, 343, 374, 476, 539, 634, 686, 748, 833, 1078, 1268, 1309, 1372, 1666, 2156, 2219, 2618, 3332, 3487, 3773, 4438, 5236, 5389, 5831, 6974, 7546, 8876, 9163, 10778, 11662, 13948, 15092, 15533, 18326, 21556, 23324, 24409, 31066, 36652, 37723, 48818, 59279, 62132, 64141, 75446, 97636, 108731, 118558, 128282, 150892, 170863, 217462, 237116, 256564, 264061, 341726, 414953, 434924, 528122, 683452, 829906, 1056244, 1196041, 1659812, 1848427, 2392082, 2904671, 3696854, 4784164, 5809342, 7393708, 11618684, 20332697, 40665394, 81330788]

約数ペア:

[(1, 81330788), (2, 40665394), (4, 20332697), (7, 11618684), (11, 7393708), (14, 5809342), (17, 4784164), (22, 3696854), (28, 2904671), (34, 2392082), (44, 1848427), (49, 1659812), (68, 1196041), (77, 1056244), (98, 829906), (119, 683452), (154, 528122), (187, 434924), (196, 414953), (238, 341726), (308, 264061), (317, 256564), (343, 237116), (374, 217462), (476, 170863), (539, 150892), (634, 128282), (686, 118558), (748, 108731), (833, 97636), (1078, 75446), (1268, 64141), (1309, 62132), (1372, 59279), (1666, 48818), (2156, 37723), (2219, 36652), (2618, 31066), (3332, 24409), (3487, 23324), (3773, 21556), (4438, 18326), (5236, 15533), (5389, 15092), (5831, 13948), (6974, 11662), (7546, 10778), (8876, 9163)]