389987688

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{1789}}^1$

素因数の和:2122

約数の個数: 64

約数和(自身を含む): 1010419200

約数和(自身を除く): 620431512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 293, 372, 586, 744, 879, 1172, 1758, 1789, 2344, 3516, 3578, 5367, 7032, 7156, 9083, 10734, 14312, 18166, 21468, 27249, 36332, 42936, 54498, 55459, 72664, 108996, 110918, 166377, 217992, 221836, 332754, 443672, 524177, 665508, 1048354, 1331016, 1572531, 2096708, 3145062, 4193416, 6290124, 12580248, 16249487, 32498974, 48748461, 64997948, 97496922, 129995896, 194993844, 389987688]

約数ペア:

[(1, 389987688), (2, 194993844), (3, 129995896), (4, 97496922), (6, 64997948), (8, 48748461), (12, 32498974), (24, 16249487), (31, 12580248), (62, 6290124), (93, 4193416), (124, 3145062), (186, 2096708), (248, 1572531), (293, 1331016), (372, 1048354), (586, 665508), (744, 524177), (879, 443672), (1172, 332754), (1758, 221836), (1789, 217992), (2344, 166377), (3516, 110918), (3578, 108996), (5367, 72664), (7032, 55459), (7156, 54498), (9083, 42936), (10734, 36332), (14312, 27249), (18166, 21468)]