31778916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 88397568

約数和(自身を除く): 56618652

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 23, 26, 34, 39, 46, 51, 52, 68, 69, 78, 92, 102, 138, 156, 204, 221, 276, 299, 391, 442, 521, 598, 663, 782, 884, 897, 1042, 1173, 1196, 1326, 1563, 1564, 1794, 2084, 2346, 2652, 3126, 3588, 4692, 5083, 6252, 6773, 8857, 10166, 11983, 13546, 15249, 17714, 20319, 20332, 23966, 26571, 27092, 30498, 35428, 35949, 40638, 47932, 53142, 60996, 71898, 81276, 106284, 115141, 143796, 155779, 203711, 230282, 311558, 345423, 407422, 460564, 467337, 611133, 623116, 690846, 814844, 934674, 1222266, 1381692, 1869348, 2444532, 2648243, 5296486, 7944729, 10592972, 15889458, 31778916]

約数ペア:

[(1, 31778916), (2, 15889458), (3, 10592972), (4, 7944729), (6, 5296486), (12, 2648243), (13, 2444532), (17, 1869348), (23, 1381692), (26, 1222266), (34, 934674), (39, 814844), (46, 690846), (51, 623116), (52, 611133), (68, 467337), (69, 460564), (78, 407422), (92, 345423), (102, 311558), (138, 230282), (156, 203711), (204, 155779), (221, 143796), (276, 115141), (299, 106284), (391, 81276), (442, 71898), (521, 60996), (598, 53142), (663, 47932), (782, 40638), (884, 35949), (897, 35428), (1042, 30498), (1173, 27092), (1196, 26571), (1326, 23966), (1563, 20332), (1564, 20319), (1794, 17714), (2084, 15249), (2346, 13546), (2652, 11983), (3126, 10166), (3588, 8857), (4692, 6773), (5083, 6252)]