64811890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 139491072

約数和(自身を除く): 74679182

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 61, 65, 110, 122, 130, 143, 286, 305, 610, 671, 715, 743, 793, 1342, 1430, 1486, 1586, 3355, 3715, 3965, 6710, 7430, 7930, 8173, 8723, 9659, 16346, 17446, 19318, 40865, 43615, 45323, 48295, 81730, 87230, 90646, 96590, 106249, 212498, 226615, 453230, 498553, 531245, 589199, 997106, 1062490, 1178398, 2492765, 2945995, 4985530, 5891990, 6481189, 12962378, 32405945, 64811890]

約数ペア:

[(1, 64811890), (2, 32405945), (5, 12962378), (10, 6481189), (11, 5891990), (13, 4985530), (22, 2945995), (26, 2492765), (55, 1178398), (61, 1062490), (65, 997106), (110, 589199), (122, 531245), (130, 498553), (143, 453230), (286, 226615), (305, 212498), (610, 106249), (671, 96590), (715, 90646), (743, 87230), (793, 81730), (1342, 48295), (1430, 45323), (1486, 43615), (1586, 40865), (3355, 19318), (3715, 17446), (3965, 16346), (6710, 9659), (7430, 8723), (7930, 8173)]