248841705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 466329600

約数和(自身を除く): 217487895

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 131, 229, 237, 393, 395, 553, 655, 687, 917, 1145, 1185, 1603, 1659, 1965, 2751, 2765, 3435, 4585, 4809, 8015, 8295, 10349, 13755, 18091, 24045, 29999, 31047, 51745, 54273, 72443, 89997, 90455, 126637, 149995, 155235, 209993, 217329, 271365, 362215, 379911, 449985, 629979, 633185, 1049965, 1086645, 1899555, 2369921, 3149895, 7109763, 11849605, 16589447, 35548815, 49768341, 82947235, 248841705]

約数ペア:

[(1, 248841705), (3, 82947235), (5, 49768341), (7, 35548815), (15, 16589447), (21, 11849605), (35, 7109763), (79, 3149895), (105, 2369921), (131, 1899555), (229, 1086645), (237, 1049965), (393, 633185), (395, 629979), (553, 449985), (655, 379911), (687, 362215), (917, 271365), (1145, 217329), (1185, 209993), (1603, 155235), (1659, 149995), (1965, 126637), (2751, 90455), (2765, 89997), (3435, 72443), (4585, 54273), (4809, 51745), (8015, 31047), (8295, 29999), (10349, 24045), (13755, 18091)]