280996586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 503193600

約数和(自身を除く): 222197014

約数列:

[1, 2, 13, 19, 26, 31, 38, 59, 62, 118, 247, 311, 403, 494, 589, 622, 767, 806, 1121, 1178, 1534, 1829, 2242, 3658, 4043, 5909, 7657, 8086, 9641, 11818, 14573, 15314, 18349, 19282, 23777, 29146, 34751, 36698, 47554, 69502, 76817, 125333, 153634, 183179, 238537, 250666, 348631, 366358, 451763, 477074, 568819, 697262, 903526, 1137638, 2381327, 4532203, 4762654, 7394647, 9064406, 10807561, 14789294, 21615122, 140498293, 280996586]

約数ペア:

[(1, 280996586), (2, 140498293), (13, 21615122), (19, 14789294), (26, 10807561), (31, 9064406), (38, 7394647), (59, 4762654), (62, 4532203), (118, 2381327), (247, 1137638), (311, 903526), (403, 697262), (494, 568819), (589, 477074), (622, 451763), (767, 366358), (806, 348631), (1121, 250666), (1178, 238537), (1534, 183179), (1829, 153634), (2242, 125333), (3658, 76817), (4043, 69502), (5909, 47554), (7657, 36698), (8086, 34751), (9641, 29146), (11818, 23777), (14573, 19282), (15314, 18349)]