648155144

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127189}}^1$

素因数の和:127222

約数の個数: 48

約数和(自身を含む): 1522464300

約数和(自身を除く): 874309156

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 127189, 254378, 508756, 890323, 1017512, 1653457, 1780646, 3306914, 3561292, 6232261, 6613828, 7122584, 11574199, 12464522, 13227656, 23148398, 24929044, 46296796, 49858088, 81019393, 92593592, 162038786, 324077572, 648155144]

約数ペア:

[(1, 648155144), (2, 324077572), (4, 162038786), (7, 92593592), (8, 81019393), (13, 49858088), (14, 46296796), (26, 24929044), (28, 23148398), (49, 13227656), (52, 12464522), (56, 11574199), (91, 7122584), (98, 6613828), (104, 6232261), (182, 3561292), (196, 3306914), (364, 1780646), (392, 1653457), (637, 1017512), (728, 890323), (1274, 508756), (2548, 254378), (5096, 127189)]