2007990088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{27701}}^1$

素因数の和:27778

約数の個数: 64

約数和(自身を含む): 4397969520

約数和(自身を除く): 2389979432

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 221, 328, 442, 533, 697, 884, 1066, 1394, 1768, 2132, 2788, 4264, 5576, 9061, 18122, 27701, 36244, 55402, 72488, 110804, 221608, 360113, 470917, 720226, 941834, 1135741, 1440452, 1883668, 2271482, 2880904, 3767336, 4542964, 6121921, 9085928, 12243842, 14764633, 19307597, 24487684, 29529266, 38615194, 48975368, 59058532, 77230388, 118117064, 154460776, 250998761, 501997522, 1003995044, 2007990088]

約数ペア:

[(1, 2007990088), (2, 1003995044), (4, 501997522), (8, 250998761), (13, 154460776), (17, 118117064), (26, 77230388), (34, 59058532), (41, 48975368), (52, 38615194), (68, 29529266), (82, 24487684), (104, 19307597), (136, 14764633), (164, 12243842), (221, 9085928), (328, 6121921), (442, 4542964), (533, 3767336), (697, 2880904), (884, 2271482), (1066, 1883668), (1394, 1440452), (1768, 1135741), (2132, 941834), (2788, 720226), (4264, 470917), (5576, 360113), (9061, 221608), (18122, 110804), (27701, 72488), (36244, 55402)]