251289472

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 603187200

約数和(自身を除く): 351897728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 83, 109, 112, 124, 128, 166, 217, 218, 224, 248, 332, 434, 436, 448, 496, 581, 664, 763, 868, 872, 896, 992, 1162, 1328, 1526, 1736, 1744, 1984, 2324, 2573, 2656, 3052, 3379, 3472, 3488, 3968, 4648, 5146, 5312, 6104, 6758, 6944, 6976, 9047, 9296, 10292, 10624, 12208, 13516, 13888, 13952, 18011, 18094, 18592, 20584, 23653, 24416, 27032, 27776, 36022, 36188, 37184, 41168, 47306, 48832, 54064, 63329, 72044, 72376, 74368, 82336, 94612, 97664, 108128, 126658, 144088, 144752, 164672, 189224, 216256, 253316, 280457, 288176, 289504, 329344, 378448, 432512, 506632, 560914, 576352, 579008, 756896, 1013264, 1121828, 1152704, 1158016, 1513792, 1963199, 2026528, 2243656, 2305408, 3027584, 3926398, 4053056, 4487312, 7852796, 8106112, 8974624, 15705592, 17949248, 31411184, 35898496, 62822368, 125644736, 251289472]

約数ペア:

[(1, 251289472), (2, 125644736), (4, 62822368), (7, 35898496), (8, 31411184), (14, 17949248), (16, 15705592), (28, 8974624), (31, 8106112), (32, 7852796), (56, 4487312), (62, 4053056), (64, 3926398), (83, 3027584), (109, 2305408), (112, 2243656), (124, 2026528), (128, 1963199), (166, 1513792), (217, 1158016), (218, 1152704), (224, 1121828), (248, 1013264), (332, 756896), (434, 579008), (436, 576352), (448, 560914), (496, 506632), (581, 432512), (664, 378448), (763, 329344), (868, 289504), (872, 288176), (896, 280457), (992, 253316), (1162, 216256), (1328, 189224), (1526, 164672), (1736, 144752), (1744, 144088), (1984, 126658), (2324, 108128), (2573, 97664), (2656, 94612), (3052, 82336), (3379, 74368), (3472, 72376), (3488, 72044), (3968, 63329), (4648, 54064), (5146, 48832), (5312, 47306), (6104, 41168), (6758, 37184), (6944, 36188), (6976, 36022), (9047, 27776), (9296, 27032), (10292, 24416), (10624, 23653), (12208, 20584), (13516, 18592), (13888, 18094), (13952, 18011)]