203415212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 483646464

約数和(自身を除く): 280231252

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 101, 143, 154, 182, 202, 286, 308, 364, 404, 503, 572, 707, 1001, 1006, 1111, 1313, 1414, 2002, 2012, 2222, 2626, 2828, 3521, 4004, 4444, 5252, 5533, 6539, 7042, 7777, 9191, 11066, 13078, 14084, 14443, 15554, 18382, 22132, 26156, 28886, 31108, 36764, 38731, 45773, 50803, 57772, 71929, 77462, 91546, 101101, 101606, 143858, 154924, 183092, 202202, 203212, 287716, 355621, 404404, 503503, 558833, 660439, 711242, 1007006, 1117666, 1320878, 1422484, 2014012, 2235332, 2641756, 3911831, 4623073, 7264829, 7823662, 9246146, 14529658, 15647324, 18492292, 29059316, 50853803, 101707606, 203415212]

約数ペア:

[(1, 203415212), (2, 101707606), (4, 50853803), (7, 29059316), (11, 18492292), (13, 15647324), (14, 14529658), (22, 9246146), (26, 7823662), (28, 7264829), (44, 4623073), (52, 3911831), (77, 2641756), (91, 2235332), (101, 2014012), (143, 1422484), (154, 1320878), (182, 1117666), (202, 1007006), (286, 711242), (308, 660439), (364, 558833), (404, 503503), (503, 404404), (572, 355621), (707, 287716), (1001, 203212), (1006, 202202), (1111, 183092), (1313, 154924), (1414, 143858), (2002, 101606), (2012, 101101), (2222, 91546), (2626, 77462), (2828, 71929), (3521, 57772), (4004, 50803), (4444, 45773), (5252, 38731), (5533, 36764), (6539, 31108), (7042, 28886), (7777, 26156), (9191, 22132), (11066, 18382), (13078, 15554), (14084, 14443)]