15961504

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 37403856

約数和(自身を除く): 21442352

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 37, 52, 61, 68, 74, 104, 122, 136, 148, 208, 221, 244, 272, 296, 416, 442, 481, 488, 544, 592, 629, 793, 884, 962, 976, 1037, 1184, 1258, 1586, 1768, 1924, 1952, 2074, 2257, 2516, 3172, 3536, 3848, 4148, 4514, 5032, 6344, 7072, 7696, 8177, 8296, 9028, 10064, 12688, 13481, 15392, 16354, 16592, 18056, 20128, 25376, 26962, 29341, 32708, 33184, 36112, 38369, 53924, 58682, 65416, 72224, 76738, 107848, 117364, 130832, 153476, 215696, 234728, 261664, 306952, 431392, 469456, 498797, 613904, 938912, 997594, 1227808, 1995188, 3990376, 7980752, 15961504]

約数ペア:

[(1, 15961504), (2, 7980752), (4, 3990376), (8, 1995188), (13, 1227808), (16, 997594), (17, 938912), (26, 613904), (32, 498797), (34, 469456), (37, 431392), (52, 306952), (61, 261664), (68, 234728), (74, 215696), (104, 153476), (122, 130832), (136, 117364), (148, 107848), (208, 76738), (221, 72224), (244, 65416), (272, 58682), (296, 53924), (416, 38369), (442, 36112), (481, 33184), (488, 32708), (544, 29341), (592, 26962), (629, 25376), (793, 20128), (884, 18056), (962, 16592), (976, 16354), (1037, 15392), (1184, 13481), (1258, 12688), (1586, 10064), (1768, 9028), (1924, 8296), (1952, 8177), (2074, 7696), (2257, 7072), (2516, 6344), (3172, 5032), (3536, 4514), (3848, 4148)]