31456568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 71608320

約数和(自身を除く): 40151752

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 572, 682, 806, 887, 1144, 1364, 1612, 1774, 2728, 3224, 3548, 4433, 7096, 8866, 9757, 11531, 17732, 19514, 23062, 27497, 35464, 39028, 46124, 54994, 78056, 92248, 109988, 126841, 219976, 253682, 302467, 357461, 507364, 604934, 714922, 1014728, 1209868, 1429844, 2419736, 2859688, 3932071, 7864142, 15728284, 31456568]

約数ペア:

[(1, 31456568), (2, 15728284), (4, 7864142), (8, 3932071), (11, 2859688), (13, 2419736), (22, 1429844), (26, 1209868), (31, 1014728), (44, 714922), (52, 604934), (62, 507364), (88, 357461), (104, 302467), (124, 253682), (143, 219976), (248, 126841), (286, 109988), (341, 92248), (403, 78056), (572, 54994), (682, 46124), (806, 39028), (887, 35464), (1144, 27497), (1364, 23062), (1612, 19514), (1774, 17732), (2728, 11531), (3224, 9757), (3548, 8866), (4433, 7096)]