287997864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1543}}^1$

素因数の和:1671

約数の個数: 128

約数和(自身を含む): 907130880

約数和(自身を除く): 619133016

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 101, 132, 154, 168, 202, 231, 264, 303, 308, 404, 462, 606, 616, 707, 808, 924, 1111, 1212, 1414, 1543, 1848, 2121, 2222, 2424, 2828, 3086, 3333, 4242, 4444, 4629, 5656, 6172, 6666, 7777, 8484, 8888, 9258, 10801, 12344, 13332, 15554, 16968, 16973, 18516, 21602, 23331, 26664, 31108, 32403, 33946, 37032, 43204, 46662, 50919, 62216, 64806, 67892, 86408, 93324, 101838, 118811, 129612, 135784, 155843, 186648, 203676, 237622, 259224, 311686, 356433, 407352, 467529, 475244, 623372, 712866, 935058, 950488, 1090901, 1246744, 1425732, 1714273, 1870116, 2181802, 2851464, 3272703, 3428546, 3740232, 4363604, 5142819, 6545406, 6857092, 8727208, 10285638, 11999911, 13090812, 13714184, 20571276, 23999822, 26181624, 35999733, 41142552, 47999644, 71999466, 95999288, 143998932, 287997864]

約数ペア:

[(1, 287997864), (2, 143998932), (3, 95999288), (4, 71999466), (6, 47999644), (7, 41142552), (8, 35999733), (11, 26181624), (12, 23999822), (14, 20571276), (21, 13714184), (22, 13090812), (24, 11999911), (28, 10285638), (33, 8727208), (42, 6857092), (44, 6545406), (56, 5142819), (66, 4363604), (77, 3740232), (84, 3428546), (88, 3272703), (101, 2851464), (132, 2181802), (154, 1870116), (168, 1714273), (202, 1425732), (231, 1246744), (264, 1090901), (303, 950488), (308, 935058), (404, 712866), (462, 623372), (606, 475244), (616, 467529), (707, 407352), (808, 356433), (924, 311686), (1111, 259224), (1212, 237622), (1414, 203676), (1543, 186648), (1848, 155843), (2121, 135784), (2222, 129612), (2424, 118811), (2828, 101838), (3086, 93324), (3333, 86408), (4242, 67892), (4444, 64806), (4629, 62216), (5656, 50919), (6172, 46662), (6666, 43204), (7777, 37032), (8484, 33946), (8888, 32403), (9258, 31108), (10801, 26664), (12344, 23331), (13332, 21602), (15554, 18516), (16968, 16973)]