31788198

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 80432352

約数和(自身を除く): 48644154

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 61, 78, 102, 117, 122, 131, 153, 183, 221, 234, 262, 306, 366, 393, 442, 549, 663, 786, 793, 1037, 1098, 1179, 1326, 1586, 1703, 1989, 2074, 2227, 2358, 2379, 3111, 3406, 3978, 4454, 4758, 5109, 6222, 6681, 7137, 7991, 9333, 10218, 13362, 13481, 14274, 15327, 15982, 18666, 20043, 23973, 26962, 28951, 30654, 40086, 40443, 47946, 57902, 71919, 80886, 86853, 103883, 121329, 135847, 143838, 173706, 207766, 242658, 260559, 271694, 311649, 407541, 521118, 623298, 815082, 934947, 1222623, 1766011, 1869894, 2445246, 3532022, 5298033, 10596066, 15894099, 31788198]

約数ペア:

[(1, 31788198), (2, 15894099), (3, 10596066), (6, 5298033), (9, 3532022), (13, 2445246), (17, 1869894), (18, 1766011), (26, 1222623), (34, 934947), (39, 815082), (51, 623298), (61, 521118), (78, 407541), (102, 311649), (117, 271694), (122, 260559), (131, 242658), (153, 207766), (183, 173706), (221, 143838), (234, 135847), (262, 121329), (306, 103883), (366, 86853), (393, 80886), (442, 71919), (549, 57902), (663, 47946), (786, 40443), (793, 40086), (1037, 30654), (1098, 28951), (1179, 26962), (1326, 23973), (1586, 20043), (1703, 18666), (1989, 15982), (2074, 15327), (2227, 14274), (2358, 13481), (2379, 13362), (3111, 10218), (3406, 9333), (3978, 7991), (4454, 7137), (4758, 6681), (5109, 6222)]