331364215

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 513705888

約数和(自身を除く): 182341673

約数列:

[1, 5, 7, 13, 35, 49, 53, 65, 91, 151, 169, 245, 265, 371, 455, 637, 689, 755, 845, 1057, 1183, 1855, 1963, 2597, 3185, 3445, 4823, 5285, 5915, 7399, 8003, 8281, 8957, 9815, 12985, 13741, 24115, 25519, 33761, 36995, 40015, 41405, 44785, 56021, 62699, 68705, 96187, 104039, 127595, 168805, 178633, 280105, 313495, 392147, 438893, 480935, 520195, 728273, 893165, 1250431, 1352507, 1960735, 2194465, 3641365, 5097911, 6252155, 6762535, 9467549, 25489555, 47337745, 66272843, 331364215]

約数ペア:

[(1, 331364215), (5, 66272843), (7, 47337745), (13, 25489555), (35, 9467549), (49, 6762535), (53, 6252155), (65, 5097911), (91, 3641365), (151, 2194465), (169, 1960735), (245, 1352507), (265, 1250431), (371, 893165), (455, 728273), (637, 520195), (689, 480935), (755, 438893), (845, 392147), (1057, 313495), (1183, 280105), (1855, 178633), (1963, 168805), (2597, 127595), (3185, 104039), (3445, 96187), (4823, 68705), (5285, 62699), (5915, 56021), (7399, 44785), (8003, 41405), (8281, 40015), (8957, 36995), (9815, 33761), (12985, 25519), (13741, 24115)]