1218913956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{42697}}^1$

素因数の和:42781

約数の個数: 72

約数和(自身を含む): 3372629624

約数和(自身を除く): 2153715668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 732, 793, 1098, 1586, 2196, 2379, 3172, 4758, 7137, 9516, 14274, 28548, 42697, 85394, 128091, 170788, 256182, 384273, 512364, 555061, 768546, 1110122, 1537092, 1665183, 2220244, 2604517, 3330366, 4995549, 5209034, 6660732, 7813551, 9991098, 10418068, 15627102, 19982196, 23440653, 31254204, 33858721, 46881306, 67717442, 93762612, 101576163, 135434884, 203152326, 304728489, 406304652, 609456978, 1218913956]

約数ペア:

[(1, 1218913956), (2, 609456978), (3, 406304652), (4, 304728489), (6, 203152326), (9, 135434884), (12, 101576163), (13, 93762612), (18, 67717442), (26, 46881306), (36, 33858721), (39, 31254204), (52, 23440653), (61, 19982196), (78, 15627102), (117, 10418068), (122, 9991098), (156, 7813551), (183, 6660732), (234, 5209034), (244, 4995549), (366, 3330366), (468, 2604517), (549, 2220244), (732, 1665183), (793, 1537092), (1098, 1110122), (1586, 768546), (2196, 555061), (2379, 512364), (3172, 384273), (4758, 256182), (7137, 170788), (9516, 128091), (14274, 85394), (28548, 42697)]