64315472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 141105552

約数和(自身を除く): 76790080

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 61, 74, 104, 122, 137, 148, 208, 244, 274, 296, 481, 488, 548, 592, 793, 962, 976, 1096, 1586, 1781, 1924, 2192, 2257, 3172, 3562, 3848, 4514, 5069, 6344, 7124, 7696, 8357, 9028, 10138, 12688, 14248, 16714, 18056, 20276, 28496, 29341, 33428, 36112, 40552, 58682, 65897, 66856, 81104, 108641, 117364, 131794, 133712, 217282, 234728, 263588, 309209, 434564, 469456, 527176, 618418, 869128, 1054352, 1236836, 1738256, 2473672, 4019717, 4947344, 8039434, 16078868, 32157736, 64315472]

約数ペア:

[(1, 64315472), (2, 32157736), (4, 16078868), (8, 8039434), (13, 4947344), (16, 4019717), (26, 2473672), (37, 1738256), (52, 1236836), (61, 1054352), (74, 869128), (104, 618418), (122, 527176), (137, 469456), (148, 434564), (208, 309209), (244, 263588), (274, 234728), (296, 217282), (481, 133712), (488, 131794), (548, 117364), (592, 108641), (793, 81104), (962, 66856), (976, 65897), (1096, 58682), (1586, 40552), (1781, 36112), (1924, 33428), (2192, 29341), (2257, 28496), (3172, 20276), (3562, 18056), (3848, 16714), (4514, 14248), (5069, 12688), (6344, 10138), (7124, 9028), (7696, 8357)]