989460724

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1993}}^1$

素因数の和:2177

約数の個数: 72

約数和(自身を含む): 2148136200

約数和(自身を除く): 1158675476

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 149, 196, 238, 298, 476, 596, 833, 1043, 1666, 1993, 2086, 2533, 3332, 3986, 4172, 5066, 7301, 7972, 10132, 13951, 14602, 17731, 27902, 29204, 33881, 35462, 55804, 67762, 70924, 97657, 124117, 135524, 195314, 237167, 248234, 296957, 390628, 474334, 496468, 593914, 948668, 1187828, 1660169, 2078699, 3320338, 4157398, 5048269, 6640676, 8314796, 10096538, 14550893, 20193076, 29101786, 35337883, 58203572, 70675766, 141351532, 247365181, 494730362, 989460724]

約数ペア:

[(1, 989460724), (2, 494730362), (4, 247365181), (7, 141351532), (14, 70675766), (17, 58203572), (28, 35337883), (34, 29101786), (49, 20193076), (68, 14550893), (98, 10096538), (119, 8314796), (149, 6640676), (196, 5048269), (238, 4157398), (298, 3320338), (476, 2078699), (596, 1660169), (833, 1187828), (1043, 948668), (1666, 593914), (1993, 496468), (2086, 474334), (2533, 390628), (3332, 296957), (3986, 248234), (4172, 237167), (5066, 195314), (7301, 135524), (7972, 124117), (10132, 97657), (13951, 70924), (14602, 67762), (17731, 55804), (27902, 35462), (29204, 33881)]