644293832

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28549}}^1$

素因数の和:28606

約数の個数: 64

約数和(自身を含む): 1534848000

約数和(自身を除く): 890554168

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 11284, 22568, 28549, 57098, 114196, 199843, 228392, 371137, 399686, 742274, 799372, 885019, 1484548, 1598744, 1770038, 2597959, 2969096, 3540076, 5195918, 6195133, 7080152, 10391836, 11505247, 12390266, 20783672, 23010494, 24780532, 46020988, 49561064, 80536729, 92041976, 161073458, 322146916, 644293832]

約数ペア:

[(1, 644293832), (2, 322146916), (4, 161073458), (7, 92041976), (8, 80536729), (13, 49561064), (14, 46020988), (26, 24780532), (28, 23010494), (31, 20783672), (52, 12390266), (56, 11505247), (62, 10391836), (91, 7080152), (104, 6195133), (124, 5195918), (182, 3540076), (217, 2969096), (248, 2597959), (364, 1770038), (403, 1598744), (434, 1484548), (728, 885019), (806, 799372), (868, 742274), (1612, 399686), (1736, 371137), (2821, 228392), (3224, 199843), (5642, 114196), (11284, 57098), (22568, 28549)]