1388599135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 2236695552

約数和(自身を除く): 848096417

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 97, 103, 133, 209, 361, 385, 485, 515, 665, 679, 721, 1045, 1067, 1133, 1463, 1805, 1843, 1957, 2527, 3395, 3605, 3971, 5335, 5665, 7315, 7469, 7931, 9215, 9785, 9991, 12635, 12901, 13699, 19855, 20273, 21527, 27797, 35017, 37183, 37345, 39655, 49955, 64505, 68495, 69937, 101365, 107635, 109901, 138985, 141911, 150689, 175085, 185915, 189829, 245119, 260281, 349685, 385187, 409013, 549505, 709555, 753445, 769307, 949145, 1225595, 1301405, 1328803, 1925935, 2045065, 2088119, 2696309, 2863091, 3606751, 3846535, 6644015, 10440595, 13481545, 14315455, 14616833, 18033755, 25247257, 39674261, 73084165, 126236285, 198371305, 277719827, 1388599135]

約数ペア:

[(1, 1388599135), (5, 277719827), (7, 198371305), (11, 126236285), (19, 73084165), (35, 39674261), (55, 25247257), (77, 18033755), (95, 14616833), (97, 14315455), (103, 13481545), (133, 10440595), (209, 6644015), (361, 3846535), (385, 3606751), (485, 2863091), (515, 2696309), (665, 2088119), (679, 2045065), (721, 1925935), (1045, 1328803), (1067, 1301405), (1133, 1225595), (1463, 949145), (1805, 769307), (1843, 753445), (1957, 709555), (2527, 549505), (3395, 409013), (3605, 385187), (3971, 349685), (5335, 260281), (5665, 245119), (7315, 189829), (7469, 185915), (7931, 175085), (9215, 150689), (9785, 141911), (9991, 138985), (12635, 109901), (12901, 107635), (13699, 101365), (19855, 69937), (20273, 68495), (21527, 64505), (27797, 49955), (35017, 39655), (37183, 37345)]