28477124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 59591448

約数和(自身を除く): 31114324

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 41, 52, 74, 76, 82, 148, 164, 247, 361, 481, 494, 533, 703, 722, 779, 962, 988, 1066, 1406, 1444, 1517, 1558, 1924, 2132, 2812, 3034, 3116, 4693, 6068, 9139, 9386, 10127, 13357, 14801, 18278, 18772, 19721, 20254, 26714, 28823, 29602, 36556, 39442, 40508, 53428, 57646, 59204, 78884, 115292, 173641, 192413, 347282, 374699, 384826, 547637, 694564, 749398, 769652, 1095274, 1498796, 2190548, 7119281, 14238562, 28477124]

約数ペア:

[(1, 28477124), (2, 14238562), (4, 7119281), (13, 2190548), (19, 1498796), (26, 1095274), (37, 769652), (38, 749398), (41, 694564), (52, 547637), (74, 384826), (76, 374699), (82, 347282), (148, 192413), (164, 173641), (247, 115292), (361, 78884), (481, 59204), (494, 57646), (533, 53428), (703, 40508), (722, 39442), (779, 36556), (962, 29602), (988, 28823), (1066, 26714), (1406, 20254), (1444, 19721), (1517, 18772), (1558, 18278), (1924, 14801), (2132, 13357), (2812, 10127), (3034, 9386), (3116, 9139), (4693, 6068)]