16438656

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 48837600

約数和(自身を除く): 32398944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 37, 39, 48, 52, 64, 74, 78, 89, 96, 104, 111, 128, 148, 156, 178, 192, 208, 222, 267, 296, 312, 356, 384, 416, 444, 481, 534, 592, 624, 712, 832, 888, 962, 1068, 1157, 1184, 1248, 1424, 1443, 1664, 1776, 1924, 2136, 2314, 2368, 2496, 2848, 2886, 3293, 3471, 3552, 3848, 4272, 4628, 4736, 4992, 5696, 5772, 6586, 6942, 7104, 7696, 8544, 9256, 9879, 11392, 11544, 13172, 13884, 14208, 15392, 17088, 18512, 19758, 23088, 26344, 27768, 30784, 34176, 37024, 39516, 42809, 46176, 52688, 55536, 61568, 74048, 79032, 85618, 92352, 105376, 111072, 128427, 148096, 158064, 171236, 184704, 210752, 222144, 256854, 316128, 342472, 421504, 444288, 513708, 632256, 684944, 1027416, 1264512, 1369888, 2054832, 2739776, 4109664, 5479552, 8219328, 16438656]

約数ペア:

[(1, 16438656), (2, 8219328), (3, 5479552), (4, 4109664), (6, 2739776), (8, 2054832), (12, 1369888), (13, 1264512), (16, 1027416), (24, 684944), (26, 632256), (32, 513708), (37, 444288), (39, 421504), (48, 342472), (52, 316128), (64, 256854), (74, 222144), (78, 210752), (89, 184704), (96, 171236), (104, 158064), (111, 148096), (128, 128427), (148, 111072), (156, 105376), (178, 92352), (192, 85618), (208, 79032), (222, 74048), (267, 61568), (296, 55536), (312, 52688), (356, 46176), (384, 42809), (416, 39516), (444, 37024), (481, 34176), (534, 30784), (592, 27768), (624, 26344), (712, 23088), (832, 19758), (888, 18512), (962, 17088), (1068, 15392), (1157, 14208), (1184, 13884), (1248, 13172), (1424, 11544), (1443, 11392), (1664, 9879), (1776, 9256), (1924, 8544), (2136, 7696), (2314, 7104), (2368, 6942), (2496, 6586), (2848, 5772), (2886, 5696), (3293, 4992), (3471, 4736), (3552, 4628), (3848, 4272)]