644156976

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{947}}^1$

素因数の和:1378

約数の個数: 80

約数和(自身を含む): 1715318784

約数和(自身を除く): 1071161808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 383, 444, 592, 766, 888, 947, 1149, 1532, 1776, 1894, 2298, 2841, 3064, 3788, 4596, 5682, 6128, 7576, 9192, 11364, 14171, 15152, 18384, 22728, 28342, 35039, 42513, 45456, 56684, 70078, 85026, 105117, 113368, 140156, 170052, 210234, 226736, 280312, 340104, 362701, 420468, 560624, 680208, 725402, 840936, 1088103, 1450804, 1681872, 2176206, 2901608, 4352412, 5803216, 8704824, 13419937, 17409648, 26839874, 40259811, 53679748, 80519622, 107359496, 161039244, 214718992, 322078488, 644156976]

約数ペア:

[(1, 644156976), (2, 322078488), (3, 214718992), (4, 161039244), (6, 107359496), (8, 80519622), (12, 53679748), (16, 40259811), (24, 26839874), (37, 17409648), (48, 13419937), (74, 8704824), (111, 5803216), (148, 4352412), (222, 2901608), (296, 2176206), (383, 1681872), (444, 1450804), (592, 1088103), (766, 840936), (888, 725402), (947, 680208), (1149, 560624), (1532, 420468), (1776, 362701), (1894, 340104), (2298, 280312), (2841, 226736), (3064, 210234), (3788, 170052), (4596, 140156), (5682, 113368), (6128, 105117), (7576, 85026), (9192, 70078), (11364, 56684), (14171, 45456), (15152, 42513), (18384, 35039), (22728, 28342)]