89993988

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3001}}^1$

素因数の和:3042

約数の個数: 108

約数和(自身を含む): 280284732

約数和(自身を除く): 190290744

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 63, 68, 84, 98, 102, 119, 126, 147, 153, 196, 204, 238, 252, 294, 306, 357, 441, 476, 588, 612, 714, 833, 882, 1071, 1428, 1666, 1764, 2142, 2499, 3001, 3332, 4284, 4998, 6002, 7497, 9003, 9996, 12004, 14994, 18006, 21007, 27009, 29988, 36012, 42014, 51017, 54018, 63021, 84028, 102034, 108036, 126042, 147049, 153051, 189063, 204068, 252084, 294098, 306102, 357119, 378126, 441147, 459153, 588196, 612204, 714238, 756252, 882294, 918306, 1071357, 1323441, 1428476, 1764588, 1836612, 2142714, 2499833, 2646882, 3214071, 4285428, 4999666, 5293764, 6428142, 7499499, 9999332, 12856284, 14998998, 22498497, 29997996, 44996994, 89993988]

約数ペア:

[(1, 89993988), (2, 44996994), (3, 29997996), (4, 22498497), (6, 14998998), (7, 12856284), (9, 9999332), (12, 7499499), (14, 6428142), (17, 5293764), (18, 4999666), (21, 4285428), (28, 3214071), (34, 2646882), (36, 2499833), (42, 2142714), (49, 1836612), (51, 1764588), (63, 1428476), (68, 1323441), (84, 1071357), (98, 918306), (102, 882294), (119, 756252), (126, 714238), (147, 612204), (153, 588196), (196, 459153), (204, 441147), (238, 378126), (252, 357119), (294, 306102), (306, 294098), (357, 252084), (441, 204068), (476, 189063), (588, 153051), (612, 147049), (714, 126042), (833, 108036), (882, 102034), (1071, 84028), (1428, 63021), (1666, 54018), (1764, 51017), (2142, 42014), (2499, 36012), (3001, 29988), (3332, 27009), (4284, 21007), (4998, 18006), (6002, 14994), (7497, 12004), (9003, 9996)]